New Windsor MD ZIP Code
New Windsor city is located in Maryland State, Carroll County and has a unique zip code assigned by the US Postal Service Office.
You can search for the New Windsor MD zip code by its streets and block numbers if we have some of the New Windsor streets loaded in our website
New Windsor Area Code is 443/410 and Time Zone is Eastern (GMT -05:00).
New Windsor Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the New Windsor City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the New Windsor ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in New Windsor, Maryland.
The New Windsor Zip Code is 21776.
If you want to send a mail to New Windsor City, you should use the 21776 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded New Windsor ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 21776 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a New Windsor city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Maryland.